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In this activity, learners complete a series of drawing activities to explore scale and powers of 10. Learners first trace each other on 1-meter-square pieces of paper.

1 cent - $1 per student Ages 14 - 18 30 to 45 minutes
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity described on pages 2-3 of the PDF, participants debate whether there there's life elsewhere in the universe.

1 cent - $1 per student Ages 14 - 18 30 to 45 minutes
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Learners test their "light-smarts" by playing a game called "Light Quest!" The game board represents an atom and each player represents an electron that has been bumped into the atom's outer unstable

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners help a poor cartographer color in the countries on a map, making sure each country is colored a different color than any of its neighbors.

1 cent - $1 per group Ages 6 - 18 30 to 45 minutes
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Learners make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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Learners turn over a random selection of cards from a larger set. From the words revealed, they try to determine the sentence represented on the larger set of cards.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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In this tabletop board game, players will represent a team of scientists and engineers sending a spacecraft on a mission to space.

1 cent - $1 per group Ages 4 - adult 30 to 45 minutes
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During this lesson, learners will determine their blood pressure and learn about systolic and diastolic pressures.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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Learners listen to and try to decipher a radio message that was sent from Earth to possible intelligent civilizations.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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Directed by instructional cards, learners kinesthetically model cell communication by acting as components in a cell signaling pathway.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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If you have lights, cardboard, scissors, and some brass fasteners, you can make shadow puppets! Create a story-telling and design challenge for your learners with this simple and creative activity.

1 cent - $1 per student Ages 6 - adult 30 to 45 minutes
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Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.

1 cent - $1 per group Ages 6 - adult 30 to 45 minutes
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In this activity, learners examine photo images of Earth taken from space, and attempt to identify and explain some of our planet's geological features.

1 cent - $1 per student Ages 8 - 18 30 to 45 minutes
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Learners imagine they are paleontologists in Florida, where they find (remove from envelope) paper "fossils" of some unknown creature, only a few at a time.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners cut, fold, and paste paper representing biomolecules to create a three-dimensional cell membrane with embedded proteins.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes